--- service: j.root-servers.net start-period: '2017-01-13T00:00:00Z' end-period: '2017-01-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6509859514 dns-udp-queries-received-ipv6: 634293441 dns-tcp-queries-received-ipv4: 183700868 dns-tcp-queries-received-ipv6: 14609124 dns-udp-responses-sent-ipv4: 6276996526 dns-udp-responses-sent-ipv6: 638667587 dns-tcp-responses-sent-ipv4: 173420971 dns-tcp-responses-sent-ipv6: 14714020